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-- CE2103B.TST

--                             Grant of Unlimited Rights

--

--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,

--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained

--     unlimited rights in the software and documentation contained herein.

--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making

--     this public release, the Government intends to confer upon all

--     recipients unlimited rights  equal to those held by the Government.

--     These rights include rights to use, duplicate, release or disclose the

--     released technical data and computer software in whole or in part, in

--     any manner and for any purpose whatsoever, and to have or permit others

--     to do so.

--

--                                    DISCLAIMER

--

--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR

--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED

--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE

--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE

--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A

--     PARTICULAR PURPOSE OF SAID MATERIAL.

--*

-- OBJECTIVE:

--     CHECK THAT IS_OPEN RETURNS THE PROPER VALUES FOR FILES OF

--     TYPE DIRECT_IO.

--          A) UNOPENED FILES

-- HISTORY:

--     DLD 08/10/82

--     SPS 11/09/82

--     JBG 03/24/83

--     EG  06/03/85

--     SPW 08/13/87  SPLIT CASE FOR OPEN FILES INTO CE2103D.ADA.

--     PWB 03/07/97  ADDED CHECK FOR FILE SUPPORT.

WITH REPORT; USE REPORT;

WITH DIRECT_IO;

PROCEDURE CE2103B IS

     PACKAGE DIR_IO IS NEW DIRECT_IO(CHARACTER);

          USE DIR_IO;

     TEST_FILE_ZERO : DIR_IO.FILE_TYPE;

     TEST_FILE_ONE : DIR_IO.FILE_TYPE;

     TEST_FILE_TWO : DIR_IO.FILE_TYPE;

     TEST_FILE_THREE : DIR_IO.FILE_TYPE;

     TEST_FILE_FOUR : DIR_IO.FILE_TYPE;

     VAL : BOOLEAN;

     INCOMPLETE : EXCEPTION;

BEGIN

     TEST ("CE2103B", "CHECK THAT IS_OPEN RETURNS THE PROPER " &

                      "VALUES FOR UNOPENED FILES OF TYPE DIRECT_IO");

-- FIRST TEST WHETHER IMPLEMENTATION SUPPORTS DIRECT FILES AT ALL

     BEGIN

          DIR_IO.CREATE ( TEST_FILE_ZERO,

                          DIR_IO.OUT_FILE,

                          REPORT.LEGAL_FILE_NAME );

     EXCEPTION

          WHEN DIR_IO.USE_ERROR | DIR_IO.NAME_ERROR =>

               REPORT.NOT_APPLICABLE

                    ( "DIRECT FILES NOT SUPPORTED -- CREATE OUT-FILE" );

               RAISE INCOMPLETE;

     END;

     DIR_IO.DELETE ( TEST_FILE_ZERO );

-- WHEN FILE IS DECLARED BUT NOT OPEN

     BEGIN

          VAL := TRUE;

          VAL := IS_OPEN (TEST_FILE_ONE);

          IF VAL = TRUE THEN

               FAILED ("FILE NOT OPEN BUT IS_OPEN RETURNS TRUE");

          END IF;

     END;

-- FOLLOWING UNSUCCESSFUL CREATE

     BEGIN

          VAL := TRUE;

          CREATE (TEST_FILE_TWO, OUT_FILE,

                  "$ILLEGAL_EXTERNAL_FILE_NAME1");

          FAILED ("NAME_ERROR NOT RAISED - UNSUCCESSFUL CREATE");

     EXCEPTION

          WHEN NAME_ERROR =>

               VAL := IS_OPEN (TEST_FILE_TWO);

               IF VAL = TRUE THEN

                    FAILED ("IS_OPEN GIVES TRUE AFTER AN " &

                            "UNSUCCESSFUL CREATE");

               END IF;

     END;

-- FOLLOWING UNSUCCESSFUL OPEN

     BEGIN

          VAL := TRUE;

          OPEN (TEST_FILE_THREE, IN_FILE,

                "$ILLEGAL_EXTERNAL_FILE_NAME2");

          FAILED ("NAME_ERROR NOT RAISED - UNSUCCESSFUL OPEN");

     EXCEPTION

          WHEN NAME_ERROR =>

               VAL := IS_OPEN (TEST_FILE_THREE);

               IF VAL = TRUE THEN

                    FAILED ("IS_OPEN GIVES TRUE - UNSUCCESSFUL OPEN");

               END IF;

     END;

-- FOLLOWING CLOSING FILE THAT IS NOT OPEN

     BEGIN

          VAL := TRUE;

          CLOSE (TEST_FILE_FOUR);

          FAILED ("STATUS ERROR NOT RAISED WHEN ATTEMPTING " &

                  "CLOSE AN UNOPENED FILE");

     EXCEPTION

          WHEN STATUS_ERROR =>

               VAL := IS_OPEN (TEST_FILE_FOUR);

               IF VAL = TRUE THEN

                    FAILED ("IS_OPEN GIVES TRUE AFTER ATTEMPTING " &

                            "TO CLOSE AN UNOPENED FILE");

               END IF;

     END;

     RESULT;

EXCEPTION

     WHEN INCOMPLETE =>

          NULL;

          REPORT.RESULT;

     WHEN OTHERS =>

          REPORT.FAILED ( "UNEXPECTED EXCEPTION" );

          REPORT.RESULT;

END CE2103B;